The serf library is a high performance C-based HTTP client library built
upon the Apache Portable Runtime (APR) library. It is permissively
licensed under the Apache License, v2.
Key features:
- multiplexed, asynchronous connections
- SSL/TLS support
- full HTTP pipelining
- multiple authentication modes (Basic, Digest, Kerberos/NTLM)
- zero-copy support for increased throughput
